Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2024 02:12
Static task
static1
Behavioral task
behavioral1
Sample
1cef3a638243fd070d898fb3edabf7676d050246e736b73cdb9f23201d4f7858.js
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
1cef3a638243fd070d898fb3edabf7676d050246e736b73cdb9f23201d4f7858.js
Resource
win10v2004-20241007-en
General
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Target
1cef3a638243fd070d898fb3edabf7676d050246e736b73cdb9f23201d4f7858.js
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Size
731KB
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MD5
c3e39b8ea6a8813ffb4001cbd044a027
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SHA1
36dc1ec5510e2531b23931b317e25ae2240df789
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SHA256
1cef3a638243fd070d898fb3edabf7676d050246e736b73cdb9f23201d4f7858
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SHA512
b61d5c9935f383334a33dc713bcf7c3ede9cda7f21766c9f06da3bd07dd874115c18fc6d58cbd3f20b99297c4a9017eb5b998db60f437a2d42fe1756f490e1f6
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SSDEEP
6144:eQoo+DmkAh/CyDJuTg0lFPmx61HCLu+yHsWsLy+HiuNHW2Z5nJRU/pqFvVu77HEa:1+
Malware Config
Signatures
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Strrat family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
wscript.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation wscript.exe -
Drops startup file 1 IoCs
Processes:
java.exedescription ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fxqhmwfi.txt java.exe -
Loads dropped DLL 2 IoCs
Processes:
java.exejava.exepid Process 2668 java.exe 1492 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fxqhmwfi = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\fxqhmwfi.txt\"" java.exe Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fxqhmwfi = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\fxqhmwfi.txt\"" java.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 35 ip-api.com -
Command and Scripting Interpreter: JavaScript 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
WMIC.exeWMIC.exedescription pid Process Token: SeIncreaseQuotaPrivilege 3004 WMIC.exe Token: SeSecurityPrivilege 3004 WMIC.exe Token: SeTakeOwnershipPrivilege 3004 WMIC.exe Token: SeLoadDriverPrivilege 3004 WMIC.exe Token: SeSystemProfilePrivilege 3004 WMIC.exe Token: SeSystemtimePrivilege 3004 WMIC.exe Token: SeProfSingleProcessPrivilege 3004 WMIC.exe Token: SeIncBasePriorityPrivilege 3004 WMIC.exe Token: SeCreatePagefilePrivilege 3004 WMIC.exe Token: SeBackupPrivilege 3004 WMIC.exe Token: SeRestorePrivilege 3004 WMIC.exe Token: SeShutdownPrivilege 3004 WMIC.exe Token: SeDebugPrivilege 3004 WMIC.exe Token: SeSystemEnvironmentPrivilege 3004 WMIC.exe Token: SeRemoteShutdownPrivilege 3004 WMIC.exe Token: SeUndockPrivilege 3004 WMIC.exe Token: SeManageVolumePrivilege 3004 WMIC.exe Token: 33 3004 WMIC.exe Token: 34 3004 WMIC.exe Token: 35 3004 WMIC.exe Token: 36 3004 WMIC.exe Token: SeIncreaseQuotaPrivilege 3004 WMIC.exe Token: SeSecurityPrivilege 3004 WMIC.exe Token: SeTakeOwnershipPrivilege 3004 WMIC.exe Token: SeLoadDriverPrivilege 3004 WMIC.exe Token: SeSystemProfilePrivilege 3004 WMIC.exe Token: SeSystemtimePrivilege 3004 WMIC.exe Token: SeProfSingleProcessPrivilege 3004 WMIC.exe Token: SeIncBasePriorityPrivilege 3004 WMIC.exe Token: SeCreatePagefilePrivilege 3004 WMIC.exe Token: SeBackupPrivilege 3004 WMIC.exe Token: SeRestorePrivilege 3004 WMIC.exe Token: SeShutdownPrivilege 3004 WMIC.exe Token: SeDebugPrivilege 3004 WMIC.exe Token: SeSystemEnvironmentPrivilege 3004 WMIC.exe Token: SeRemoteShutdownPrivilege 3004 WMIC.exe Token: SeUndockPrivilege 3004 WMIC.exe Token: SeManageVolumePrivilege 3004 WMIC.exe Token: 33 3004 WMIC.exe Token: 34 3004 WMIC.exe Token: 35 3004 WMIC.exe Token: 36 3004 WMIC.exe Token: SeIncreaseQuotaPrivilege 832 WMIC.exe Token: SeSecurityPrivilege 832 WMIC.exe Token: SeTakeOwnershipPrivilege 832 WMIC.exe Token: SeLoadDriverPrivilege 832 WMIC.exe Token: SeSystemProfilePrivilege 832 WMIC.exe Token: SeSystemtimePrivilege 832 WMIC.exe Token: SeProfSingleProcessPrivilege 832 WMIC.exe Token: SeIncBasePriorityPrivilege 832 WMIC.exe Token: SeCreatePagefilePrivilege 832 WMIC.exe Token: SeBackupPrivilege 832 WMIC.exe Token: SeRestorePrivilege 832 WMIC.exe Token: SeShutdownPrivilege 832 WMIC.exe Token: SeDebugPrivilege 832 WMIC.exe Token: SeSystemEnvironmentPrivilege 832 WMIC.exe Token: SeRemoteShutdownPrivilege 832 WMIC.exe Token: SeUndockPrivilege 832 WMIC.exe Token: SeManageVolumePrivilege 832 WMIC.exe Token: 33 832 WMIC.exe Token: 34 832 WMIC.exe Token: 35 832 WMIC.exe Token: 36 832 WMIC.exe Token: SeIncreaseQuotaPrivilege 832 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
wscript.exejavaw.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 4968 wrote to memory of 4508 4968 wscript.exe 83 PID 4968 wrote to memory of 4508 4968 wscript.exe 83 PID 4508 wrote to memory of 2668 4508 javaw.exe 97 PID 4508 wrote to memory of 2668 4508 javaw.exe 97 PID 2668 wrote to memory of 2424 2668 java.exe 99 PID 2668 wrote to memory of 2424 2668 java.exe 99 PID 2668 wrote to memory of 1492 2668 java.exe 100 PID 2668 wrote to memory of 1492 2668 java.exe 100 PID 2424 wrote to memory of 4016 2424 cmd.exe 103 PID 2424 wrote to memory of 4016 2424 cmd.exe 103 PID 1492 wrote to memory of 4088 1492 java.exe 105 PID 1492 wrote to memory of 4088 1492 java.exe 105 PID 4088 wrote to memory of 3004 4088 cmd.exe 107 PID 4088 wrote to memory of 3004 4088 cmd.exe 107 PID 1492 wrote to memory of 1600 1492 java.exe 108 PID 1492 wrote to memory of 1600 1492 java.exe 108 PID 1600 wrote to memory of 832 1600 cmd.exe 110 PID 1600 wrote to memory of 832 1600 cmd.exe 110 PID 1492 wrote to memory of 4892 1492 java.exe 111 PID 1492 wrote to memory of 4892 1492 java.exe 111 PID 4892 wrote to memory of 3172 4892 cmd.exe 113 PID 4892 wrote to memory of 3172 4892 cmd.exe 113 PID 1492 wrote to memory of 4052 1492 java.exe 114 PID 1492 wrote to memory of 4052 1492 java.exe 114 PID 4052 wrote to memory of 4064 4052 cmd.exe 116 PID 4052 wrote to memory of 4064 4052 cmd.exe 116 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\1cef3a638243fd070d898fb3edabf7676d050246e736b73cdb9f23201d4f7858.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4968 -
C:\Program Files\Java\jre-1.8\bin\javaw.exe"C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\fxqhmwfi.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:4508 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\fxqhmwfi.txt"3⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2668 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\fxqhmwfi.txt"4⤵
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\fxqhmwfi.txt"5⤵
- Scheduled Task/Job: Scheduled Task
PID:4016
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C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\fxqhmwfi.txt"4⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:3004
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:832
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:4892 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list6⤵PID:3172
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:4052 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list6⤵PID:4064
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1JavaScript
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD50a51e66fc2e1bca907da4e6b45d340be
SHA10b88b917d8910761e624ca5e6675e9cf060099d1
SHA256d7acfa5896bfbf580ac9fce5247946d5d1f1cb92d31597387a25f34591b20e35
SHA512d1dd76bcb1e9fd1d4f4281be1c0cc5b6d4a9c8b2edb43a60686a4db91f6bfc46fc3d5678cabcb021f8e111d50186fe8cc8edef6833495bc65df48047a2350ae9
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Filesize
46B
MD5a744f838198269966429a47c2e864260
SHA1d48b365fae2c892c69f313aa0f9cf44baaf02bb3
SHA2561bbe666681e270be04d5d5e3f93f9e6bdc0964920c56cfd1fd5b1aeb4305d353
SHA5125445ad5a2a6512cdd9fbc81713c926dd33868b4f35de0e44a17c656fd4b95c524e47425fd1b5150df742ad7eb48f9d90816646ff80f4676cd44b34e7c5358eb5
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2437139445-1151884604-3026847218-1000\83aa4cc77f591dfc2374580bbd95f6ba_4304acb9-c3f6-452a-9860-eb4e85d38d4e
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
92KB
MD52543beb989715570292d7263b60bab1a
SHA1ebb68838c9ce8f235349c2616bdd65f294b271ee
SHA2563ec814fcff2491c0863b5d5e5e26af3799bae70bc7fa4768cb5fbac74f0e0cab
SHA512c47b6f843bcc4906b03e011b0405b4bfb3bb65422e14fd6dd8bc7bc4975e055d5e93a3562c0031dcb065649d82b8e5ca30cf1279044bea572eb5c9ee30a264db
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d